Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Spring
Special Tool(s)
Tie-Rod End Remover
211-001 (TOOL-3290-D) or
Equivalent
Coil Spring Compressor
204-D001 (D78P-5310-A) or
Equivalent
...
Symptom Chart
Condition
Possible Sources
Action
Difficult
starting
Damaged ignition
system.
Damaged fuel
system.
Damaged starting
system.
Damaged charging
system/battery.
Burnt valve.
Worn piston.
Worn pi ...
Fuel Injection Supply Manifold and Fuel Injector
Material
Item
Specification
SAE 5W-20 Premium Synthetic
Blend Motor Oil
XO-5W20-QSP
WSS-M2C153-
H
Removal and Installation
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel relat ...
